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adamsite

American

[ad-uhm-zahyt] / ˈæd əmˌzaɪt /

noun

Chemistry, Military.

a yellow irritant smoke, containing a poisonous form of arsenic and used as a harassing agent.

adamsite British

/ ˈædəmˌzaɪt /

noun

Also called: phenarsazine chloride. a yellow poisonous crystalline solid that readily sublimes; diphenylaminechlorarsine. It is used in chemical warfare as a vomiting agent. Formula: C 6 H 4 AsClNHC 6 H 4 ; relative density: 1.65; melting pt: 195°C; boiling pt: 410°C

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of adamsite

1920–25; named after R. Adams; see -ite ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023